Is also termed as Riboflavin

It is a water soluble vitamin

This vitamin is essential for many cellular aspects and human health.

Sources:

   -    Food coloring
   -    Cheese
   -    Pastas
   -    Breakfast Cereals
   -    Baby foods
   -    Fruit drinks
   -    Yeast
   -    Liver
   -    Kidney
   -    Eggs
   -    Milk
   -    others

Functions:

   -    Important aspect of several cofactors
   -    Helps in metabolism
   -    Role in energy

Riboflavin deficiency is seen by cracked lips along with red lips.

Toxicityis only seen in injection form where oral medications are not absorbed in large doses.